H04W 12/041
Key generation or derivation
H04W12/041 (Key generation or derivation) appears on 2,610 US grants and 3,437 published applications in this corpus.
Search patents in H04W- Granted patents
- 2,610
- Published applications
- 3,437
- Assignees
- 763
- Inventors
- 4,664
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 10 |
| 2003 | 4 | 16 |
| 2004 | 3 | 11 |
| 2005 | 4 | 24 |
| 2006 | 8 | 43 |
| 2007 | 9 | 51 |
| 2008 | 16 | 61 |
| 2009 | 27 | 70 |
| 2010 | 35 | 66 |
| 2011 | 56 | 110 |
| 2012 | 68 | 94 |
| 2013 | 81 | 83 |
| 2014 | 114 | 104 |
| 2015 | 120 | 113 |
| 2016 | 105 | 150 |
| 2017 | 137 | 228 |
| 2018 | 156 | 227 |
| 2019 | 197 | 234 |
| 2020 | 206 | 273 |
| 2021 | 201 | 245 |
| 2022 | 223 | 253 |
| 2023 | 250 | 270 |
| 2024 | 246 | 238 |
| 2025 | 187 | 250 |
| 2026 | 144 | 212 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, system and method for secure direct communication in proximity based services6 Oct 2026US 12,756,988 B2NEC Corporation
- Apparatuses and communication methods of key generation6 Oct 2026US 12,757,013 B2Innopeak Technology, Inc.
- Physical layer security6 Oct 2026US 12,757,014 B2QDAComm LLC
- Home triggered primary authentication for inter-working networks15 Sep 2026US 12,739,629 B2Zte Corporation
- Enabling cellular network access via device identifier composition engine (DICE)15 Sep 2026US 12,739,634 B2Micron Technology, Inc.
- Key generation method and apparatus8 Oct 2026US 2026/0313371 A1Huawei Technologies Co., Ltd.
- Method and device for linking two techniques for managing keys in dual connectivity in mobile communication system8 Oct 2026US 2026/0313509 A1Samsung Electronics Co., Ltd.
- Methods for identifying the operator of transmitted frames and for checking operator membership, communication device and communication gateway1 Oct 2026US 2026/0304085 A1Orange
- Methods, apparatuses and systems for user equipment-network function end-to-end secure communications1 Oct 2026US 2026/0304120 A1InterDigital Patent Holdings, Inc.
- Temporary encryption key management method and apparatus for profile provisioning in wireless communication system1 Oct 2026US 2026/0304130 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for providing secure wireless communication365US 7,496,347 B2Velocita Wireless LLC · 2009
- Method and apparatus for expiring messages in electronic communications324US 9,560,006 B2Google Inc. · 2017
- Methods and systems for providing variable rates of service for accessing networks, methods and systems for accessing the internet271US 7,444,669 B1Microsoft Corporation · 2008
- System and method for secure network roaming257US 7,389,412 B2Interactive Technology Limited of HK · 2008
- Method and system for secure peer-to-peer mobile communications257US 9,674,705 B22017